University of Oklahoma / Bureau of Chemistry and Soils / Harvard / Soil Conservation Service / United States government / Division of Soil Survey / U.S. Department of Agriculture / United Nations / U.S. Census Bureau / University of Wisconsin / /
Person
Milton Whitney / Charles E. Kellogg / Thomas D. Rice / Morris E. Austin / Curtis F. Marbut / Nat / Harmon / Justus von Liebig / Orla L. Ayrs / C. F. Marbut / Guy D. Smith / James Thorp / Louis Agassiz / Rourke / John Wiley / /
Position
director of the Division / soil scientist / writer / /
ProvinceOrState
Harper / Lincoln / Tillman / Wisconsin / Noble County / Pottawatomie / Pawnee / Bryan / Mills / Indiana / Okfuskee / Missouri / Johnston / Major / Cleveland / Woods / Oklahoma County / Alfalfa / Hennings County / Watauga County / Creek / Oklahoma / Nova Scotia / Logan / North Carolina / Muskogee / Noble / Marshall / Payne / /